@CHARSET "UTF-8";
   h3 {
  8             display:block;
  9             width:200px;
 10             margin:30px auto;
 11             text-align:center
 12         }
 13         table {
 14             width:400px;
 15             margin:10px auto;
 16 
 17         }
 18            
 19         #codeInput {
 20             width:90px;
 21         }
 22         .la {
 23             text-align:right
 24         }
 25         .control {
 26             line-height:50px;
 27         }